gonorrhea vs herpes simplex

gonorrhea

noun
  • A sexually transmitted infection caused by Neisseria gonorrhoeae, a species of bacteria (the gonococcus) that affects the mucous membrane of the genital and urinary tracts. 

herpes simplex

noun
  • A viral disease caused by Human herpesvirus 1 or Human herpesvirus 2 in genus Simplexvirus. 

How often have the words gonorrhea and herpes simplex occurred in a corpus of books? (source: Google Ngram Viewer )